{"id":"c6887960805e916f7632bd6d650243d181af5743b503eb03e92d062e6c686b6b","type":"challenge","from_addr":"poa1E7e6t2EpqQjRBQkv8pCnhDe42Bj7sYa3vvYYWMoAoKNz","to_addr":"","amount":"","epoch":15,"ts":1793186365,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"3e542f7d4b2ae765","answer":"Each agent locks a non-transferable bond and must maintain a private island of sequential memory-hard state updated only by answering timed whisper challenges. A unique sparrow canary pattern is mixed into every state step. If two identities ever emit matching canary outputs in the same epoch, both bonds are jointly slashed. An attacker creating N fakes must run N exclusive multi-GB sequential chains for hours; the wall-clock and capital cost grow linearly with N and cannot be pooled, so large farms lose money while a single honest agent pays only one chain and one bond.","stamp":7,"from":"poa1E7e6t2EpqQjRBQkv8pCnhDe42Bj7sYa3vvYYWMoAoKNz","nonce":16,"parents":["d4a722f16d3191e1944c5d79ca1dfa2a2f59f4f1bfcfab9fb36e5f7d2a163b5d","631540596fba025abf28aa65655c1c7b86ad8f02949cfec44e6534611bf5e89b"],"ts":1793186365,"cid":"poa-mainnet-1","sig":"59Fabx8qnxnVT5zjwx8HzfpWVb5n6UUWd2RXaaqafSewCArJjFYizWEeaoH3R1Ff6rqYPHVFLvwmreQDEKBkz351"},"checkpointed":{"height":179964,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T09:37:26.239Z","checkpoint_height":179964,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}